An optimal scheduling strategy for integrated energy system considering combined heat and power with power-to-gas and carbon capture

Zhang Binqiao; Ran Yuanhang; Zhang Lei

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An optimal scheduling strategy for integrated energy system considering combined heat and power with power-to-gas and carbon capture

更新时间：2025-11-23

- An optimal scheduling strategy for integrated energy system considering combined heat and power with power-to-gas and carbon capture
- Vol. 62, Issue 5, (2025)
- 作者机构：
  
  三峡大学电气与新能源学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2025
- 稿件说明：
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Zhang Binqiao, Ran Yuanhang, Zhang Lei. An optimal scheduling strategy for integrated energy system considering combined heat and power with power-to-gas and carbon capture[J]. 2025, 62(5).
DOI：

Zhang Binqiao, Ran Yuanhang, Zhang Lei. An optimal scheduling strategy for integrated energy system considering combined heat and power with power-to-gas and carbon capture[J]. 2025, 62(5). DOI：

摘要

为实现我国碳达峰和碳中和的战略目标，探索可再生能源低碳高效利用刻不容缓。热电联产机组以热定电的工作模式对可再生能源的消纳提出了挑战。为此，提出电转气，碳捕集系统，分布式电源和热电联产机组协同运行框架并分析其耦合特性。构建以该框架为基础的综合能源系统优化调度模型，并建立用户需求响应模型。随后，以综合能源系统侧为上层优化模型主体，用户侧为下层优化模型主体提出基于主从博弈的双层优化模型及其求解方法。算例表明，所提模型及策略不但能够有效的提高可再生能源的消纳，减少热电联供机组的碳排放，还降低了系统的运行成本和用户的购能成本，提高了用户的用能效益和系统的经济效益。

Abstract

In order to achieve the strategic targets of carbon peak and carbon neutrality in China

it is urgent to explore the low-carbon and efficient utilization of renewable energy. The cogeneration unit challenges the consumption of renewable energy with the working mode of combined heat and power. Therefore

the collaborative operation framework of power-to-gas

carbon capture system

distributed generation and combined heat and power unit is proposed and its coupling characteristics are analyzed. An optimal scheduling model of integrated energy system based on this framework is constructed

and a user demand response model is established. Then

taking the integrated energy system side as the upper optimization model subject

and the user side as the lower optimization model subject

a bi-level optimization model based on master-slave game is proposed

as well as its solution method. The example shows that the model and strategy proposed in this paper can not only effectively improve the consumption of renewable energy

reduce the carbon emissions of cogeneration units

but also reduce the operation cost of the system and the energy purchase cost of users

and improve the energy use efficiency of users and the economic benefit of the system.

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